Here is Bloomberg is breakdown of what we know so far as the final Republican bill heads for votes in the House and Senate next week.

Corporate Tax Rate

Current law: 35 percent

Proposed: 21 percent, beginning in 2018.

Individual State and Local Tax Deductions

Current law: Individuals can deduct the state and local taxes they pay, but the value is subject to certain limits for high earners.

Proposed: Individuals can deduct no more than $10,000 worth of the deductions, which could include a combination of property taxes and either sales or income taxes.

Obamacare Individual Mandate

Current law: An individual who fails to buy health insurance must pay penalties of $695 (higher for families) or 2.5 percent of their household income -- whichever is higher, but capped at the national average cost of the most basic, low-premium, high-deductible plan.

Proposed: Repeal the penalties.

Mortgage Interest Deduction

Current law: Deductible mortgage interest is capped at loans of $1 million.

Proposed: Deductible mortgage interest for new purchases of homes would be capped at loans of $750,000.

Child Tax Credit

Current law: A $1,000 credit for each child under 17. The credit begins phasing out for couples earning more than $110,000. The credit is at least partially refundable to qualified taxpayers who earned more than $3,000.

Proposed: Double the credit to $2,000 and provide it for each child under 18 through 2024. Raise the phase-out amount to $500,000, and cap the refundable portion at $1,400 in 2018.

Estate Tax

Current law: Applies a 40 percent levy on estates worth more than $5.49 million for individuals and $10.98 million for couples.

Proposed: Double the thresholds so the levy applies to fewer estates. The higher thresholds would sunset in 2026.